表对应的JavaBean:
    image.png

    1. package com.wzy.bootmtp.pojo;
    2. import lombok.Data;
    3. @Data//生产get、set、toString等方法的注解
    4. public class User {
    5. private Integer id;
    6. private String name;
    7. private String age;
    8. private String email;
    9. }

    Lombok使用参考: https://blog.csdn.net/motui/article/details/79012846